How much coffee is too much daily may depends on you! But It is generally believed that, for ordinary adults, consumes 400 mg of caffeine less than du per day will not have obvious safety problems, which is approximately equivalent to 4 cups of brewed coffee, or 10 cans of cola, or two cans of caffeine, Higher "energy drink".

Caffeine intake: no more than 300 mg per day. The most important ingredient in coffee is "caffeine." Limiting the daily intake of coffee is actually limiting the intake of caffeine. For the human body, an appropriate amount of caffeine can reduce muscle fatigue, promote the secretion of digestive juices, and promote kidney function. However, excessive intake can cause caffeine poisoning, increase the risk of heart disease, accelerate the loss of calcium, and cause osteoporosis. It can be said that success is caffeine, and failure is caffeine.

If the intake reaches 500 to 600 mg, it will significantly increase the occurrence of various side effects, resulting in sleep disorders, stomach discomfort, muscle tremors, heart palpitations, headaches and other symptoms.

For people with heart disease, five cups of coffee a day is an unsafe amount.
Of course, if you are very sensitive to caffeine, you will already feel flustered and tremble without having to drink this amount. If you want to reduce your caffeine intake, you can try decaffeinated coffee, or replace part of the coffee with tea with lower caffeine.

Can you drink coffee while pregnant?
For children, adolescents and pregnant women, it is best to limit caffeine intake to a lower level. During pregnancy, it is not that you cannot drink coffee or tea at all, but it is best to control your daily caffeine intake below 200 mg. Excessive caffeine intake may increase the risk of miscarriage. The metabolism of caffeine during pregnancy will also slow down, which may affect the sleep of expectant mothers.